Philips Avent Anti-Colic Baby Bottle with AirFree Vent - Clear - 4oz 0M+

Designed to reduce feeding issues: colic, gas, and reflux
AirFree vent keeps nipple full of milk, not air
AirFree vent makes it easy to feed in an upright position by keeping the nipple full of milk
Easy to clean and assemble wide neck bottle with only a few parts
BPA free Bottle can be used with or without the AirFree vent